19900813320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{12647}}^1$

素因数の和:12745

約数の個数: 256

約数和(自身を含む): 69938380800

約数和(自身を除く): 50037567480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 47, 54, 60, 62, 72, 90, 93, 94, 108, 120, 124, 135, 141, 155, 180, 186, 188, 216, 235, 248, 270, 279, 282, 310, 360, 372, 376, 423, 465, 470, 540, 558, 564, 620, 705, 744, 837, 846, 930, 940, 1080, 1116, 1128, 1240, 1269, 1395, 1410, 1457, 1674, 1692, 1860, 1880, 2115, 2232, 2538, 2790, 2820, 2914, 3348, 3384, 3720, 4185, 4230, 4371, 5076, 5580, 5640, 5828, 6345, 6696, 7285, 8370, 8460, 8742, 10152, 11160, 11656, 12647, 12690, 13113, 14570, 16740, 16920, 17484, 21855, 25294, 25380, 26226, 29140, 33480, 34968, 37941, 39339, 43710, 50588, 50760, 52452, 58280, 63235, 65565, 75882, 78678, 87420, 101176, 104904, 113823, 126470, 131130, 151764, 157356, 174840, 189705, 196695, 227646, 252940, 262260, 303528, 314712, 341469, 379410, 392057, 393390, 455292, 505880, 524520, 569115, 594409, 682938, 758820, 784114, 786780, 910584, 1138230, 1176171, 1188818, 1365876, 1517640, 1568228, 1573560, 1707345, 1783227, 1960285, 2276460, 2352342, 2377636, 2731752, 2972045, 3136456, 3414690, 3528513, 3566454, 3920570, 4552920, 4704684, 4755272, 5349681, 5880855, 5944090, 6829380, 7057026, 7132908, 7841140, 8916135, 9409368, 10585539, 10699362, 11761710, 11888180, 13658760, 14114052, 14265816, 15682280, 16049043, 17642565, 17832270, 18426679, 21171078, 21398724, 23523420, 23776360, 26748405, 28228104, 32098086, 35285130, 35664540, 36853358, 42342156, 42797448, 47046840, 52927695, 53496810, 55280037, 64196172, 70570260, 71329080, 73706716, 80245215, 84684312, 92133395, 105855390, 106993620, 110560074, 128392344, 141140520, 147413432, 160490430, 165840111, 184266790, 211710780, 213987240, 221120148, 276400185, 320980860, 331680222, 368533580, 423421560, 442240296, 497520333, 552800370, 641961720, 663360444, 737067160, 829200555, 995040666, 1105600740, 1326720888, 1658401110, 1990081332, 2211201480, 2487601665, 3316802220, 3980162664, 4975203330, 6633604440, 9950406660, 19900813320]

約数ペア:

[(1, 19900813320), (2, 9950406660), (3, 6633604440), (4, 4975203330), (5, 3980162664), (6, 3316802220), (8, 2487601665), (9, 2211201480), (10, 1990081332), (12, 1658401110), (15, 1326720888), (18, 1105600740), (20, 995040666), (24, 829200555), (27, 737067160), (30, 663360444), (31, 641961720), (36, 552800370), (40, 497520333), (45, 442240296), (47, 423421560), (54, 368533580), (60, 331680222), (62, 320980860), (72, 276400185), (90, 221120148), (93, 213987240), (94, 211710780), (108, 184266790), (120, 165840111), (124, 160490430), (135, 147413432), (141, 141140520), (155, 128392344), (180, 110560074), (186, 106993620), (188, 105855390), (216, 92133395), (235, 84684312), (248, 80245215), (270, 73706716), (279, 71329080), (282, 70570260), (310, 64196172), (360, 55280037), (372, 53496810), (376, 52927695), (423, 47046840), (465, 42797448), (470, 42342156), (540, 36853358), (558, 35664540), (564, 35285130), (620, 32098086), (705, 28228104), (744, 26748405), (837, 23776360), (846, 23523420), (930, 21398724), (940, 21171078), (1080, 18426679), (1116, 17832270), (1128, 17642565), (1240, 16049043), (1269, 15682280), (1395, 14265816), (1410, 14114052), (1457, 13658760), (1674, 11888180), (1692, 11761710), (1860, 10699362), (1880, 10585539), (2115, 9409368), (2232, 8916135), (2538, 7841140), (2790, 7132908), (2820, 7057026), (2914, 6829380), (3348, 5944090), (3384, 5880855), (3720, 5349681), (4185, 4755272), (4230, 4704684), (4371, 4552920), (5076, 3920570), (5580, 3566454), (5640, 3528513), (5828, 3414690), (6345, 3136456), (6696, 2972045), (7285, 2731752), (8370, 2377636), (8460, 2352342), (8742, 2276460), (10152, 1960285), (11160, 1783227), (11656, 1707345), (12647, 1573560), (12690, 1568228), (13113, 1517640), (14570, 1365876), (16740, 1188818), (16920, 1176171), (17484, 1138230), (21855, 910584), (25294, 786780), (25380, 784114), (26226, 758820), (29140, 682938), (33480, 594409), (34968, 569115), (37941, 524520), (39339, 505880), (43710, 455292), (50588, 393390), (50760, 392057), (52452, 379410), (58280, 341469), (63235, 314712), (65565, 303528), (75882, 262260), (78678, 252940), (87420, 227646), (101176, 196695), (104904, 189705), (113823, 174840), (126470, 157356), (131130, 151764)]