2220479820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{55819}}^1$

素因数の和:55864

約数の個数: 144

約数和(自身を含む): 7680385440

約数和(自身を除く): 5459905620

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, 13260, 19890, 39780, 55819, 111638, 167457, 223276, 279095, 334914, 502371, 558190, 669828, 725647, 837285, 948923, 1004742, 1116380, 1451294, 1674570, 1897846, 2009484, 2176941, 2511855, 2846769, 2902588, 3349140, 3628235, 3795692, 4353882, 4744615, 5023710, 5693538, 6530823, 7256470, 8540307, 8707764, 9489230, 10047420, 10884705, 11387076, 12335999, 13061646, 14233845, 14512940, 17080614, 18978460, 21769410, 24671998, 26123292, 28467690, 32654115, 34161228, 37007997, 42701535, 43538820, 49343996, 56935380, 61679995, 65308230, 74015994, 85403070, 111023991, 123359990, 130616460, 148031988, 170806140, 185039985, 222047982, 246719980, 370079970, 444095964, 555119955, 740159940, 1110239910, 2220479820]

約数ペア:

[(1, 2220479820), (2, 1110239910), (3, 740159940), (4, 555119955), (5, 444095964), (6, 370079970), (9, 246719980), (10, 222047982), (12, 185039985), (13, 170806140), (15, 148031988), (17, 130616460), (18, 123359990), (20, 111023991), (26, 85403070), (30, 74015994), (34, 65308230), (36, 61679995), (39, 56935380), (45, 49343996), (51, 43538820), (52, 42701535), (60, 37007997), (65, 34161228), (68, 32654115), (78, 28467690), (85, 26123292), (90, 24671998), (102, 21769410), (117, 18978460), (130, 17080614), (153, 14512940), (156, 14233845), (170, 13061646), (180, 12335999), (195, 11387076), (204, 10884705), (221, 10047420), (234, 9489230), (255, 8707764), (260, 8540307), (306, 7256470), (340, 6530823), (390, 5693538), (442, 5023710), (468, 4744615), (510, 4353882), (585, 3795692), (612, 3628235), (663, 3349140), (765, 2902588), (780, 2846769), (884, 2511855), (1020, 2176941), (1105, 2009484), (1170, 1897846), (1326, 1674570), (1530, 1451294), (1989, 1116380), (2210, 1004742), (2340, 948923), (2652, 837285), (3060, 725647), (3315, 669828), (3978, 558190), (4420, 502371), (6630, 334914), (7956, 279095), (9945, 223276), (13260, 167457), (19890, 111638), (39780, 55819)]