1330266040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{3659}}^1$

素因数の和:3880

約数の個数: 64

約数和(自身を含む): 3063420000

約数和(自身を除く): 1733153960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 244, 298, 305, 488, 596, 610, 745, 1192, 1220, 1490, 2440, 2980, 3659, 5960, 7318, 9089, 14636, 18178, 18295, 29272, 36356, 36590, 45445, 72712, 73180, 90890, 146360, 181780, 223199, 363560, 446398, 545191, 892796, 1090382, 1115995, 1785592, 2180764, 2231990, 2725955, 4361528, 4463980, 5451910, 8927960, 10903820, 21807640, 33256651, 66513302, 133026604, 166283255, 266053208, 332566510, 665133020, 1330266040]

約数ペア:

[(1, 1330266040), (2, 665133020), (4, 332566510), (5, 266053208), (8, 166283255), (10, 133026604), (20, 66513302), (40, 33256651), (61, 21807640), (122, 10903820), (149, 8927960), (244, 5451910), (298, 4463980), (305, 4361528), (488, 2725955), (596, 2231990), (610, 2180764), (745, 1785592), (1192, 1115995), (1220, 1090382), (1490, 892796), (2440, 545191), (2980, 446398), (3659, 363560), (5960, 223199), (7318, 181780), (9089, 146360), (14636, 90890), (18178, 73180), (18295, 72712), (29272, 45445), (36356, 36590)]