521476020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13109}}^1$

素因数の和:13154

約数の個数: 144

約数和(自身を含む): 1803831120

約数和(自身を除く): 1282355100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13109, 13260, 19890, 26218, 39327, 39780, 52436, 65545, 78654, 117981, 131090, 157308, 170417, 196635, 222853, 235962, 262180, 340834, 393270, 445706, 471924, 511251, 589905, 668559, 681668, 786540, 852085, 891412, 1022502, 1114265, 1179810, 1337118, 1533753, 1704170, 2005677, 2045004, 2228530, 2359620, 2556255, 2674236, 2897089, 3067506, 3342795, 3408340, 4011354, 4457060, 5112510, 5794178, 6135012, 6685590, 7668765, 8022708, 8691267, 10028385, 10225020, 11588356, 13371180, 14485445, 15337530, 17382534, 20056770, 26073801, 28970890, 30675060, 34765068, 40113540, 43456335, 52147602, 57941780, 86912670, 104295204, 130369005, 173825340, 260738010, 521476020]

約数ペア:

[(1, 521476020), (2, 260738010), (3, 173825340), (4, 130369005), (5, 104295204), (6, 86912670), (9, 57941780), (10, 52147602), (12, 43456335), (13, 40113540), (15, 34765068), (17, 30675060), (18, 28970890), (20, 26073801), (26, 20056770), (30, 17382534), (34, 15337530), (36, 14485445), (39, 13371180), (45, 11588356), (51, 10225020), (52, 10028385), (60, 8691267), (65, 8022708), (68, 7668765), (78, 6685590), (85, 6135012), (90, 5794178), (102, 5112510), (117, 4457060), (130, 4011354), (153, 3408340), (156, 3342795), (170, 3067506), (180, 2897089), (195, 2674236), (204, 2556255), (221, 2359620), (234, 2228530), (255, 2045004), (260, 2005677), (306, 1704170), (340, 1533753), (390, 1337118), (442, 1179810), (468, 1114265), (510, 1022502), (585, 891412), (612, 852085), (663, 786540), (765, 681668), (780, 668559), (884, 589905), (1020, 511251), (1105, 471924), (1170, 445706), (1326, 393270), (1530, 340834), (1989, 262180), (2210, 235962), (2340, 222853), (2652, 196635), (3060, 170417), (3315, 157308), (3978, 131090), (4420, 117981), (6630, 78654), (7956, 65545), (9945, 52436), (13109, 39780), (13260, 39327), (19890, 26218)]