71681220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10211}}^1$

素因数の和:10242

約数の個数: 96

約数和(自身を含む): 240186240

約数和(自身を除く): 168505020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 10211, 20422, 30633, 40844, 51055, 61266, 91899, 102110, 122532, 132743, 153165, 183798, 204220, 265486, 275697, 306330, 367596, 398229, 459495, 530972, 551394, 612660, 663715, 796458, 918990, 1102788, 1194687, 1327430, 1378485, 1592916, 1837980, 1991145, 2389374, 2654860, 2756970, 3584061, 3982290, 4778748, 5513940, 5973435, 7168122, 7964580, 11946870, 14336244, 17920305, 23893740, 35840610, 71681220]

約数ペア:

[(1, 71681220), (2, 35840610), (3, 23893740), (4, 17920305), (5, 14336244), (6, 11946870), (9, 7964580), (10, 7168122), (12, 5973435), (13, 5513940), (15, 4778748), (18, 3982290), (20, 3584061), (26, 2756970), (27, 2654860), (30, 2389374), (36, 1991145), (39, 1837980), (45, 1592916), (52, 1378485), (54, 1327430), (60, 1194687), (65, 1102788), (78, 918990), (90, 796458), (108, 663715), (117, 612660), (130, 551394), (135, 530972), (156, 459495), (180, 398229), (195, 367596), (234, 306330), (260, 275697), (270, 265486), (351, 204220), (390, 183798), (468, 153165), (540, 132743), (585, 122532), (702, 102110), (780, 91899), (1170, 61266), (1404, 51055), (1755, 40844), (2340, 30633), (3510, 20422), (7020, 10211)]