66321990

素因数分解:

$2^1\times 3^5\times 5^1\times 7^2\times {\mathrm{557}}^1$

素因数の和:593

約数の個数: 144

約数和(自身を含む): 208392912

約数和(自身を除く): 142070922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 243, 245, 270, 294, 315, 378, 405, 441, 486, 490, 557, 567, 630, 735, 810, 882, 945, 1114, 1134, 1215, 1323, 1470, 1671, 1701, 1890, 2205, 2430, 2646, 2785, 2835, 3342, 3402, 3899, 3969, 4410, 5013, 5570, 5670, 6615, 7798, 7938, 8355, 8505, 10026, 11697, 11907, 13230, 15039, 16710, 17010, 19495, 19845, 23394, 23814, 25065, 27293, 30078, 35091, 38990, 39690, 45117, 50130, 54586, 58485, 59535, 70182, 75195, 81879, 90234, 105273, 116970, 119070, 135351, 136465, 150390, 163758, 175455, 210546, 225585, 245637, 270702, 272930, 315819, 350910, 409395, 451170, 491274, 526365, 631638, 676755, 736911, 818790, 947457, 1052730, 1228185, 1353510, 1473822, 1579095, 1894914, 2210733, 2456370, 3158190, 3684555, 4421466, 4737285, 6632199, 7369110, 9474570, 11053665, 13264398, 22107330, 33160995, 66321990]

約数ペア:

[(1, 66321990), (2, 33160995), (3, 22107330), (5, 13264398), (6, 11053665), (7, 9474570), (9, 7369110), (10, 6632199), (14, 4737285), (15, 4421466), (18, 3684555), (21, 3158190), (27, 2456370), (30, 2210733), (35, 1894914), (42, 1579095), (45, 1473822), (49, 1353510), (54, 1228185), (63, 1052730), (70, 947457), (81, 818790), (90, 736911), (98, 676755), (105, 631638), (126, 526365), (135, 491274), (147, 451170), (162, 409395), (189, 350910), (210, 315819), (243, 272930), (245, 270702), (270, 245637), (294, 225585), (315, 210546), (378, 175455), (405, 163758), (441, 150390), (486, 136465), (490, 135351), (557, 119070), (567, 116970), (630, 105273), (735, 90234), (810, 81879), (882, 75195), (945, 70182), (1114, 59535), (1134, 58485), (1215, 54586), (1323, 50130), (1470, 45117), (1671, 39690), (1701, 38990), (1890, 35091), (2205, 30078), (2430, 27293), (2646, 25065), (2785, 23814), (2835, 23394), (3342, 19845), (3402, 19495), (3899, 17010), (3969, 16710), (4410, 15039), (5013, 13230), (5570, 11907), (5670, 11697), (6615, 10026), (7798, 8505), (7938, 8355)]