644551681320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1228841}}^1$

素因数の和:1228936

約数の個数: 192

約数和(自身を含む): 2208376535040

約数和(自身を除く): 1563824853720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 47, 60, 62, 72, 90, 93, 94, 120, 124, 141, 155, 180, 186, 188, 235, 248, 279, 282, 310, 360, 372, 376, 423, 465, 470, 558, 564, 620, 705, 744, 846, 930, 940, 1116, 1128, 1240, 1395, 1410, 1457, 1692, 1860, 1880, 2115, 2232, 2790, 2820, 2914, 3384, 3720, 4230, 4371, 5580, 5640, 5828, 7285, 8460, 8742, 11160, 11656, 13113, 14570, 16920, 17484, 21855, 26226, 29140, 34968, 43710, 52452, 58280, 65565, 87420, 104904, 131130, 174840, 262260, 524520, 1228841, 2457682, 3686523, 4915364, 6144205, 7373046, 9830728, 11059569, 12288410, 14746092, 18432615, 22119138, 24576820, 29492184, 36865230, 38094071, 44238276, 49153640, 55297845, 57755527, 73730460, 76188142, 88476552, 110595690, 114282213, 115511054, 147460920, 152376284, 173266581, 190470355, 221191380, 228564426, 231022108, 288777635, 304752568, 342846639, 346533162, 380940710, 442382760, 457128852, 462044216, 519799743, 571411065, 577555270, 685693278, 693066324, 761881420, 866332905, 914257704, 1039599486, 1142822130, 1155110540, 1371386556, 1386132648, 1523762840, 1714233195, 1732665810, 1790421337, 2079198972, 2285644260, 2310221080, 2598998715, 2742773112, 3428466390, 3465331620, 3580842674, 4158397944, 4571288520, 5197997430, 5371264011, 6856932780, 6930663240, 7161685348, 8952106685, 10395994860, 10742528022, 13713865560, 14323370696, 16113792033, 17904213370, 20791989720, 21485056044, 26856320055, 32227584066, 35808426740, 42970112088, 53712640110, 64455168132, 71616853480, 80568960165, 107425280220, 128910336264, 161137920330, 214850560440, 322275840660, 644551681320]

約数ペア:

[(1, 644551681320), (2, 322275840660), (3, 214850560440), (4, 161137920330), (5, 128910336264), (6, 107425280220), (8, 80568960165), (9, 71616853480), (10, 64455168132), (12, 53712640110), (15, 42970112088), (18, 35808426740), (20, 32227584066), (24, 26856320055), (30, 21485056044), (31, 20791989720), (36, 17904213370), (40, 16113792033), (45, 14323370696), (47, 13713865560), (60, 10742528022), (62, 10395994860), (72, 8952106685), (90, 7161685348), (93, 6930663240), (94, 6856932780), (120, 5371264011), (124, 5197997430), (141, 4571288520), (155, 4158397944), (180, 3580842674), (186, 3465331620), (188, 3428466390), (235, 2742773112), (248, 2598998715), (279, 2310221080), (282, 2285644260), (310, 2079198972), (360, 1790421337), (372, 1732665810), (376, 1714233195), (423, 1523762840), (465, 1386132648), (470, 1371386556), (558, 1155110540), (564, 1142822130), (620, 1039599486), (705, 914257704), (744, 866332905), (846, 761881420), (930, 693066324), (940, 685693278), (1116, 577555270), (1128, 571411065), (1240, 519799743), (1395, 462044216), (1410, 457128852), (1457, 442382760), (1692, 380940710), (1860, 346533162), (1880, 342846639), (2115, 304752568), (2232, 288777635), (2790, 231022108), (2820, 228564426), (2914, 221191380), (3384, 190470355), (3720, 173266581), (4230, 152376284), (4371, 147460920), (5580, 115511054), (5640, 114282213), (5828, 110595690), (7285, 88476552), (8460, 76188142), (8742, 73730460), (11160, 57755527), (11656, 55297845), (13113, 49153640), (14570, 44238276), (16920, 38094071), (17484, 36865230), (21855, 29492184), (26226, 24576820), (29140, 22119138), (34968, 18432615), (43710, 14746092), (52452, 12288410), (58280, 11059569), (65565, 9830728), (87420, 7373046), (104904, 6144205), (131130, 4915364), (174840, 3686523), (262260, 2457682), (524520, 1228841)]