1397994120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{2161}}^1$

素因数の和:2780

約数の個数: 128

約数和(自身を含む): 4669920000

約数和(自身を除く): 3271925880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 599, 1080, 1198, 1797, 2161, 2396, 2995, 3594, 4322, 4792, 5391, 5990, 6483, 7188, 8644, 8985, 10782, 10805, 11980, 12966, 14376, 16173, 17288, 17970, 19449, 21564, 21610, 23960, 25932, 26955, 32346, 32415, 35940, 38898, 43128, 43220, 51864, 53910, 58347, 64692, 64830, 71880, 77796, 80865, 86440, 97245, 107820, 116694, 129384, 129660, 155592, 161730, 194490, 215640, 233388, 259320, 291735, 323460, 388980, 466776, 583470, 646920, 777960, 1166940, 1294439, 2333880, 2588878, 3883317, 5177756, 6472195, 7766634, 10355512, 11649951, 12944390, 15533268, 19416585, 23299902, 25888780, 31066536, 34949853, 38833170, 46599804, 51777560, 58249755, 69899706, 77666340, 93199608, 116499510, 139799412, 155332680, 174749265, 232999020, 279598824, 349498530, 465998040, 698997060, 1397994120]

約数ペア:

[(1, 1397994120), (2, 698997060), (3, 465998040), (4, 349498530), (5, 279598824), (6, 232999020), (8, 174749265), (9, 155332680), (10, 139799412), (12, 116499510), (15, 93199608), (18, 77666340), (20, 69899706), (24, 58249755), (27, 51777560), (30, 46599804), (36, 38833170), (40, 34949853), (45, 31066536), (54, 25888780), (60, 23299902), (72, 19416585), (90, 15533268), (108, 12944390), (120, 11649951), (135, 10355512), (180, 7766634), (216, 6472195), (270, 5177756), (360, 3883317), (540, 2588878), (599, 2333880), (1080, 1294439), (1198, 1166940), (1797, 777960), (2161, 646920), (2396, 583470), (2995, 466776), (3594, 388980), (4322, 323460), (4792, 291735), (5391, 259320), (5990, 233388), (6483, 215640), (7188, 194490), (8644, 161730), (8985, 155592), (10782, 129660), (10805, 129384), (11980, 116694), (12966, 107820), (14376, 97245), (16173, 86440), (17288, 80865), (17970, 77796), (19449, 71880), (21564, 64830), (21610, 64692), (23960, 58347), (25932, 53910), (26955, 51864), (32346, 43220), (32415, 43128), (35940, 38898)]