15397311340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1483

約数の個数: 96

約数和(自身を含む): 33579100800

約数和(自身を除く): 18181789460

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 149, 244, 284, 298, 305, 355, 596, 610, 710, 745, 1193, 1220, 1420, 1490, 2386, 2980, 4331, 4772, 5965, 8662, 9089, 10579, 11930, 17324, 18178, 21158, 21655, 23860, 36356, 42316, 43310, 45445, 52895, 72773, 84703, 86620, 90890, 105790, 145546, 169406, 177757, 181780, 211580, 291092, 338812, 355514, 363865, 423515, 645319, 711028, 727730, 847030, 888785, 1290638, 1455460, 1694060, 1777570, 2581276, 3226595, 3555140, 5166883, 6453190, 10333766, 10843177, 12620747, 12906380, 20667532, 21686354, 25241494, 25834415, 43372708, 50482988, 51668830, 54215885, 63103735, 103337660, 108431770, 126207470, 216863540, 252414940, 769865567, 1539731134, 3079462268, 3849327835, 7698655670, 15397311340]

約数ペア:

[(1, 15397311340), (2, 7698655670), (4, 3849327835), (5, 3079462268), (10, 1539731134), (20, 769865567), (61, 252414940), (71, 216863540), (122, 126207470), (142, 108431770), (149, 103337660), (244, 63103735), (284, 54215885), (298, 51668830), (305, 50482988), (355, 43372708), (596, 25834415), (610, 25241494), (710, 21686354), (745, 20667532), (1193, 12906380), (1220, 12620747), (1420, 10843177), (1490, 10333766), (2386, 6453190), (2980, 5166883), (4331, 3555140), (4772, 3226595), (5965, 2581276), (8662, 1777570), (9089, 1694060), (10579, 1455460), (11930, 1290638), (17324, 888785), (18178, 847030), (21158, 727730), (21655, 711028), (23860, 645319), (36356, 423515), (42316, 363865), (43310, 355514), (45445, 338812), (52895, 291092), (72773, 211580), (84703, 181780), (86620, 177757), (90890, 169406), (105790, 145546)]