19560121840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7560

約数の個数: 240

約数和(自身を含む): 57113398080

約数和(自身を除く): 37553276240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 49, 56, 58, 70, 80, 92, 98, 112, 115, 116, 140, 145, 161, 184, 196, 203, 230, 232, 245, 280, 290, 322, 368, 392, 406, 460, 464, 490, 560, 580, 644, 667, 784, 805, 812, 920, 980, 1015, 1127, 1160, 1288, 1334, 1421, 1610, 1624, 1840, 1960, 2030, 2254, 2320, 2576, 2668, 2842, 3220, 3248, 3335, 3920, 4060, 4508, 4669, 5336, 5635, 5684, 6440, 6670, 7105, 7481, 8120, 9016, 9338, 10672, 11270, 11368, 12880, 13340, 14210, 14962, 16240, 18032, 18676, 22540, 22736, 23345, 26680, 28420, 29924, 32683, 37352, 37405, 45080, 46690, 52367, 53360, 56840, 59848, 65366, 74704, 74810, 90160, 93380, 104734, 113680, 119696, 130732, 149620, 163415, 172063, 186760, 209468, 216949, 261464, 261835, 299240, 326830, 344126, 366569, 373520, 418936, 433898, 522928, 523670, 598480, 653660, 688252, 733138, 837872, 860315, 867796, 1047340, 1084745, 1204441, 1307320, 1376504, 1466276, 1518643, 1720630, 1735592, 1832845, 2094680, 2169490, 2408882, 2614640, 2753008, 2932552, 3037286, 3441260, 3471184, 3665690, 4189360, 4338980, 4817764, 4989827, 5865104, 6022205, 6074572, 6882520, 7331380, 7593215, 8431087, 8677960, 9635528, 9979654, 10630501, 12044410, 12149144, 13765040, 14662760, 15186430, 16862174, 17355920, 19271056, 19959308, 21261002, 24088820, 24298288, 24949135, 29325520, 30372860, 33724348, 34928789, 39918616, 42155435, 42522004, 48177640, 49898270, 53152505, 60745720, 67448696, 69857578, 79837232, 84310870, 85044008, 96355280, 99796540, 106305010, 121491440, 134897392, 139715156, 168621740, 170088016, 174643945, 199593080, 212610020, 244501523, 279430312, 337243480, 349287890, 399186160, 425220040, 489003046, 558860624, 674486960, 698575780, 850440080, 978006092, 1222507615, 1397151560, 1956012184, 2445015230, 2794303120, 3912024368, 4890030460, 9780060920, 19560121840]

約数ペア:

[(1, 19560121840), (2, 9780060920), (4, 4890030460), (5, 3912024368), (7, 2794303120), (8, 2445015230), (10, 1956012184), (14, 1397151560), (16, 1222507615), (20, 978006092), (23, 850440080), (28, 698575780), (29, 674486960), (35, 558860624), (40, 489003046), (46, 425220040), (49, 399186160), (56, 349287890), (58, 337243480), (70, 279430312), (80, 244501523), (92, 212610020), (98, 199593080), (112, 174643945), (115, 170088016), (116, 168621740), (140, 139715156), (145, 134897392), (161, 121491440), (184, 106305010), (196, 99796540), (203, 96355280), (230, 85044008), (232, 84310870), (245, 79837232), (280, 69857578), (290, 67448696), (322, 60745720), (368, 53152505), (392, 49898270), (406, 48177640), (460, 42522004), (464, 42155435), (490, 39918616), (560, 34928789), (580, 33724348), (644, 30372860), (667, 29325520), (784, 24949135), (805, 24298288), (812, 24088820), (920, 21261002), (980, 19959308), (1015, 19271056), (1127, 17355920), (1160, 16862174), (1288, 15186430), (1334, 14662760), (1421, 13765040), (1610, 12149144), (1624, 12044410), (1840, 10630501), (1960, 9979654), (2030, 9635528), (2254, 8677960), (2320, 8431087), (2576, 7593215), (2668, 7331380), (2842, 6882520), (3220, 6074572), (3248, 6022205), (3335, 5865104), (3920, 4989827), (4060, 4817764), (4508, 4338980), (4669, 4189360), (5336, 3665690), (5635, 3471184), (5684, 3441260), (6440, 3037286), (6670, 2932552), (7105, 2753008), (7481, 2614640), (8120, 2408882), (9016, 2169490), (9338, 2094680), (10672, 1832845), (11270, 1735592), (11368, 1720630), (12880, 1518643), (13340, 1466276), (14210, 1376504), (14962, 1307320), (16240, 1204441), (18032, 1084745), (18676, 1047340), (22540, 867796), (22736, 860315), (23345, 837872), (26680, 733138), (28420, 688252), (29924, 653660), (32683, 598480), (37352, 523670), (37405, 522928), (45080, 433898), (46690, 418936), (52367, 373520), (53360, 366569), (56840, 344126), (59848, 326830), (65366, 299240), (74704, 261835), (74810, 261464), (90160, 216949), (93380, 209468), (104734, 186760), (113680, 172063), (119696, 163415), (130732, 149620)]