1904290320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{823}}^1$

素因数の和:1181

約数の個数: 160

約数和(自身を含む): 6120751104

約数和(自身を除く): 4216460784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 311, 372, 465, 496, 620, 622, 744, 823, 930, 933, 1240, 1244, 1488, 1555, 1646, 1860, 1866, 2469, 2480, 2488, 3110, 3292, 3720, 3732, 4115, 4665, 4938, 4976, 6220, 6584, 7440, 7464, 8230, 9330, 9641, 9876, 12345, 12440, 13168, 14928, 16460, 18660, 19282, 19752, 24690, 24880, 25513, 28923, 32920, 37320, 38564, 39504, 48205, 49380, 51026, 57846, 65840, 74640, 76539, 77128, 96410, 98760, 102052, 115692, 127565, 144615, 153078, 154256, 192820, 197520, 204104, 231384, 255130, 255953, 289230, 306156, 382695, 385640, 408208, 462768, 510260, 511906, 578460, 612312, 765390, 767859, 771280, 1020520, 1023812, 1156920, 1224624, 1279765, 1530780, 1535718, 2041040, 2047624, 2313840, 2559530, 3061560, 3071436, 3839295, 4095248, 5119060, 6123120, 6142872, 7678590, 7934543, 10238120, 12285744, 15357180, 15869086, 20476240, 23803629, 30714360, 31738172, 39672715, 47607258, 61428720, 63476344, 79345430, 95214516, 119018145, 126952688, 158690860, 190429032, 238036290, 317381720, 380858064, 476072580, 634763440, 952145160, 1904290320]

約数ペア:

[(1, 1904290320), (2, 952145160), (3, 634763440), (4, 476072580), (5, 380858064), (6, 317381720), (8, 238036290), (10, 190429032), (12, 158690860), (15, 126952688), (16, 119018145), (20, 95214516), (24, 79345430), (30, 63476344), (31, 61428720), (40, 47607258), (48, 39672715), (60, 31738172), (62, 30714360), (80, 23803629), (93, 20476240), (120, 15869086), (124, 15357180), (155, 12285744), (186, 10238120), (240, 7934543), (248, 7678590), (310, 6142872), (311, 6123120), (372, 5119060), (465, 4095248), (496, 3839295), (620, 3071436), (622, 3061560), (744, 2559530), (823, 2313840), (930, 2047624), (933, 2041040), (1240, 1535718), (1244, 1530780), (1488, 1279765), (1555, 1224624), (1646, 1156920), (1860, 1023812), (1866, 1020520), (2469, 771280), (2480, 767859), (2488, 765390), (3110, 612312), (3292, 578460), (3720, 511906), (3732, 510260), (4115, 462768), (4665, 408208), (4938, 385640), (4976, 382695), (6220, 306156), (6584, 289230), (7440, 255953), (7464, 255130), (8230, 231384), (9330, 204104), (9641, 197520), (9876, 192820), (12345, 154256), (12440, 153078), (13168, 144615), (14928, 127565), (16460, 115692), (18660, 102052), (19282, 98760), (19752, 96410), (24690, 77128), (24880, 76539), (25513, 74640), (28923, 65840), (32920, 57846), (37320, 51026), (38564, 49380), (39504, 48205)]