71193980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 185187072

約数和(自身を除く): 113993092

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 73, 110, 121, 124, 130, 143, 146, 155, 220, 242, 260, 286, 292, 310, 341, 365, 403, 484, 572, 605, 620, 682, 715, 730, 803, 806, 949, 1210, 1364, 1430, 1460, 1573, 1606, 1612, 1705, 1898, 2015, 2263, 2420, 2860, 3146, 3212, 3410, 3751, 3796, 4015, 4030, 4433, 4526, 4745, 6292, 6820, 7502, 7865, 8030, 8060, 8833, 8866, 9052, 9490, 10439, 11315, 15004, 15730, 16060, 17666, 17732, 18755, 18980, 20878, 22165, 22630, 24893, 29419, 31460, 35332, 37510, 41756, 44165, 44330, 45260, 48763, 49786, 52195, 58838, 75020, 88330, 88660, 97526, 99572, 104390, 114829, 117676, 124465, 147095, 176660, 195052, 208780, 229658, 243815, 248930, 273823, 294190, 323609, 459316, 487630, 497860, 547646, 574145, 588380, 647218, 975260, 1095292, 1148290, 1294436, 1369115, 1618045, 2296580, 2738230, 3236090, 3559699, 5476460, 6472180, 7119398, 14238796, 17798495, 35596990, 71193980]

約数ペア:

[(1, 71193980), (2, 35596990), (4, 17798495), (5, 14238796), (10, 7119398), (11, 6472180), (13, 5476460), (20, 3559699), (22, 3236090), (26, 2738230), (31, 2296580), (44, 1618045), (52, 1369115), (55, 1294436), (62, 1148290), (65, 1095292), (73, 975260), (110, 647218), (121, 588380), (124, 574145), (130, 547646), (143, 497860), (146, 487630), (155, 459316), (220, 323609), (242, 294190), (260, 273823), (286, 248930), (292, 243815), (310, 229658), (341, 208780), (365, 195052), (403, 176660), (484, 147095), (572, 124465), (605, 117676), (620, 114829), (682, 104390), (715, 99572), (730, 97526), (803, 88660), (806, 88330), (949, 75020), (1210, 58838), (1364, 52195), (1430, 49786), (1460, 48763), (1573, 45260), (1606, 44330), (1612, 44165), (1705, 41756), (1898, 37510), (2015, 35332), (2263, 31460), (2420, 29419), (2860, 24893), (3146, 22630), (3212, 22165), (3410, 20878), (3751, 18980), (3796, 18755), (4015, 17732), (4030, 17666), (4433, 16060), (4526, 15730), (4745, 15004), (6292, 11315), (6820, 10439), (7502, 9490), (7865, 9052), (8030, 8866), (8060, 8833)]