2019280920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8581}}^1$

素因数の和:8685

約数の個数: 128

約数和(自身を含む): 6339695040

約数和(自身を除く): 4320414120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 53, 60, 74, 106, 111, 120, 148, 159, 185, 212, 222, 265, 296, 318, 370, 424, 444, 530, 555, 636, 740, 795, 888, 1060, 1110, 1272, 1480, 1590, 1961, 2120, 2220, 3180, 3922, 4440, 5883, 6360, 7844, 8581, 9805, 11766, 15688, 17162, 19610, 23532, 25743, 29415, 34324, 39220, 42905, 47064, 51486, 58830, 68648, 78440, 85810, 102972, 117660, 128715, 171620, 205944, 235320, 257430, 317497, 343240, 454793, 514860, 634994, 909586, 952491, 1029720, 1269988, 1364379, 1587485, 1819172, 1904982, 2273965, 2539976, 2728758, 3174970, 3638344, 3809964, 4547930, 4762455, 5457516, 6349940, 6821895, 7619928, 9095860, 9524910, 10915032, 12699880, 13643790, 16827341, 18191720, 19049820, 27287580, 33654682, 38099640, 50482023, 54575160, 67309364, 84136705, 100964046, 134618728, 168273410, 201928092, 252410115, 336546820, 403856184, 504820230, 673093640, 1009640460, 2019280920]

約数ペア:

[(1, 2019280920), (2, 1009640460), (3, 673093640), (4, 504820230), (5, 403856184), (6, 336546820), (8, 252410115), (10, 201928092), (12, 168273410), (15, 134618728), (20, 100964046), (24, 84136705), (30, 67309364), (37, 54575160), (40, 50482023), (53, 38099640), (60, 33654682), (74, 27287580), (106, 19049820), (111, 18191720), (120, 16827341), (148, 13643790), (159, 12699880), (185, 10915032), (212, 9524910), (222, 9095860), (265, 7619928), (296, 6821895), (318, 6349940), (370, 5457516), (424, 4762455), (444, 4547930), (530, 3809964), (555, 3638344), (636, 3174970), (740, 2728758), (795, 2539976), (888, 2273965), (1060, 1904982), (1110, 1819172), (1272, 1587485), (1480, 1364379), (1590, 1269988), (1961, 1029720), (2120, 952491), (2220, 909586), (3180, 634994), (3922, 514860), (4440, 454793), (5883, 343240), (6360, 317497), (7844, 257430), (8581, 235320), (9805, 205944), (11766, 171620), (15688, 128715), (17162, 117660), (19610, 102972), (23532, 85810), (25743, 78440), (29415, 68648), (34324, 58830), (39220, 51486), (42905, 47064)]