201915480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1921

約数の個数: 128

約数和(自身を含む): 661893120

約数和(自身を除く): 459977640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 710, 780, 852, 923, 1065, 1420, 1560, 1704, 1823, 1846, 2130, 2769, 2840, 3646, 3692, 4260, 4615, 5469, 5538, 7292, 7384, 8520, 9115, 9230, 10938, 11076, 13845, 14584, 18230, 18460, 21876, 22152, 23699, 27345, 27690, 36460, 36920, 43752, 47398, 54690, 55380, 71097, 72920, 94796, 109380, 110760, 118495, 129433, 142194, 189592, 218760, 236990, 258866, 284388, 355485, 388299, 473980, 517732, 568776, 647165, 710970, 776598, 947960, 1035464, 1294330, 1421940, 1553196, 1682629, 1941495, 2588660, 2843880, 3106392, 3365258, 3882990, 5047887, 5177320, 6730516, 7765980, 8413145, 10095774, 13461032, 15531960, 16826290, 20191548, 25239435, 33652580, 40383096, 50478870, 67305160, 100957740, 201915480]

約数ペア:

[(1, 201915480), (2, 100957740), (3, 67305160), (4, 50478870), (5, 40383096), (6, 33652580), (8, 25239435), (10, 20191548), (12, 16826290), (13, 15531960), (15, 13461032), (20, 10095774), (24, 8413145), (26, 7765980), (30, 6730516), (39, 5177320), (40, 5047887), (52, 3882990), (60, 3365258), (65, 3106392), (71, 2843880), (78, 2588660), (104, 1941495), (120, 1682629), (130, 1553196), (142, 1421940), (156, 1294330), (195, 1035464), (213, 947960), (260, 776598), (284, 710970), (312, 647165), (355, 568776), (390, 517732), (426, 473980), (520, 388299), (568, 355485), (710, 284388), (780, 258866), (852, 236990), (923, 218760), (1065, 189592), (1420, 142194), (1560, 129433), (1704, 118495), (1823, 110760), (1846, 109380), (2130, 94796), (2769, 72920), (2840, 71097), (3646, 55380), (3692, 54690), (4260, 47398), (4615, 43752), (5469, 36920), (5538, 36460), (7292, 27690), (7384, 27345), (8520, 23699), (9115, 22152), (9230, 21876), (10938, 18460), (11076, 18230), (13845, 14584)]