64915020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 221339664

約数和(自身を除く): 156424644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 81, 90, 95, 108, 111, 114, 135, 148, 162, 171, 180, 185, 190, 222, 228, 243, 270, 285, 324, 333, 342, 361, 370, 380, 405, 444, 486, 513, 540, 555, 570, 666, 684, 703, 722, 740, 810, 855, 972, 999, 1026, 1083, 1110, 1140, 1215, 1332, 1406, 1444, 1539, 1620, 1665, 1710, 1805, 1998, 2052, 2109, 2166, 2220, 2430, 2565, 2812, 2997, 3078, 3249, 3330, 3420, 3515, 3610, 3996, 4218, 4332, 4617, 4860, 4995, 5130, 5415, 5994, 6156, 6327, 6498, 6660, 7030, 7220, 7695, 8436, 8991, 9234, 9747, 9990, 10260, 10545, 10830, 11988, 12654, 12996, 13357, 14060, 14985, 15390, 16245, 17982, 18468, 18981, 19494, 19980, 21090, 21660, 23085, 25308, 26714, 29241, 29970, 30780, 31635, 32490, 35964, 37962, 38988, 40071, 42180, 44955, 46170, 48735, 53428, 56943, 58482, 59940, 63270, 64980, 66785, 75924, 80142, 87723, 89910, 92340, 94905, 97470, 113886, 116964, 120213, 126540, 133570, 146205, 160284, 170829, 175446, 179820, 189810, 194940, 200355, 227772, 240426, 267140, 284715, 292410, 341658, 350892, 360639, 379620, 400710, 438615, 480852, 569430, 584820, 601065, 683316, 721278, 801420, 854145, 877230, 1081917, 1138860, 1202130, 1442556, 1708290, 1754460, 1803195, 2163834, 2404260, 3245751, 3416580, 3606390, 4327668, 5409585, 6491502, 7212780, 10819170, 12983004, 16228755, 21638340, 32457510, 64915020]

約数ペア:

[(1, 64915020), (2, 32457510), (3, 21638340), (4, 16228755), (5, 12983004), (6, 10819170), (9, 7212780), (10, 6491502), (12, 5409585), (15, 4327668), (18, 3606390), (19, 3416580), (20, 3245751), (27, 2404260), (30, 2163834), (36, 1803195), (37, 1754460), (38, 1708290), (45, 1442556), (54, 1202130), (57, 1138860), (60, 1081917), (74, 877230), (76, 854145), (81, 801420), (90, 721278), (95, 683316), (108, 601065), (111, 584820), (114, 569430), (135, 480852), (148, 438615), (162, 400710), (171, 379620), (180, 360639), (185, 350892), (190, 341658), (222, 292410), (228, 284715), (243, 267140), (270, 240426), (285, 227772), (324, 200355), (333, 194940), (342, 189810), (361, 179820), (370, 175446), (380, 170829), (405, 160284), (444, 146205), (486, 133570), (513, 126540), (540, 120213), (555, 116964), (570, 113886), (666, 97470), (684, 94905), (703, 92340), (722, 89910), (740, 87723), (810, 80142), (855, 75924), (972, 66785), (999, 64980), (1026, 63270), (1083, 59940), (1110, 58482), (1140, 56943), (1215, 53428), (1332, 48735), (1406, 46170), (1444, 44955), (1539, 42180), (1620, 40071), (1665, 38988), (1710, 37962), (1805, 35964), (1998, 32490), (2052, 31635), (2109, 30780), (2166, 29970), (2220, 29241), (2430, 26714), (2565, 25308), (2812, 23085), (2997, 21660), (3078, 21090), (3249, 19980), (3330, 19494), (3420, 18981), (3515, 18468), (3610, 17982), (3996, 16245), (4218, 15390), (4332, 14985), (4617, 14060), (4860, 13357), (4995, 12996), (5130, 12654), (5415, 11988), (5994, 10830), (6156, 10545), (6327, 10260), (6498, 9990), (6660, 9747), (7030, 9234), (7220, 8991), (7695, 8436)]