81921472920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{23677}}^1$

素因数の和:25074

約数の個数: 192

約数和(自身を含む): 304514233920

約数和(自身を除く): 222592761000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 1373, 2520, 2746, 4119, 5492, 6865, 8238, 9611, 10984, 12357, 13730, 16476, 19222, 20595, 23677, 24714, 27460, 28833, 32952, 38444, 41190, 47354, 48055, 49428, 54920, 57666, 61785, 71031, 76888, 82380, 86499, 94708, 96110, 98856, 115332, 118385, 123570, 142062, 144165, 164760, 165739, 172998, 189416, 192220, 213093, 230664, 236770, 247140, 284124, 288330, 331478, 345996, 355155, 384440, 426186, 432495, 473540, 494280, 497217, 568248, 576660, 662956, 691992, 710310, 828695, 852372, 864990, 947080, 994434, 1065465, 1153320, 1325912, 1420620, 1491651, 1657390, 1704744, 1729980, 1988868, 2130930, 2486085, 2841240, 2983302, 3314780, 3459960, 3977736, 4261860, 4972170, 5966604, 6629560, 7458255, 8523720, 9944340, 11933208, 14916510, 19888680, 29833020, 32508521, 59666040, 65017042, 97525563, 130034084, 162542605, 195051126, 227559647, 260068168, 292576689, 325085210, 390102252, 455119294, 487627815, 585153378, 650170420, 682678941, 780204504, 910238588, 975255630, 1137798235, 1170306756, 1300340840, 1365357882, 1462883445, 1820477176, 1950511260, 2048036823, 2275596470, 2340613512, 2730715764, 2925766890, 3413394705, 3901022520, 4096073646, 4551192940, 5461431528, 5851533780, 6826789410, 8192147292, 9102385880, 10240184115, 11703067560, 13653578820, 16384294584, 20480368230, 27307157640, 40960736460, 81921472920]

約数ペア:

[(1, 81921472920), (2, 40960736460), (3, 27307157640), (4, 20480368230), (5, 16384294584), (6, 13653578820), (7, 11703067560), (8, 10240184115), (9, 9102385880), (10, 8192147292), (12, 6826789410), (14, 5851533780), (15, 5461431528), (18, 4551192940), (20, 4096073646), (21, 3901022520), (24, 3413394705), (28, 2925766890), (30, 2730715764), (35, 2340613512), (36, 2275596470), (40, 2048036823), (42, 1950511260), (45, 1820477176), (56, 1462883445), (60, 1365357882), (63, 1300340840), (70, 1170306756), (72, 1137798235), (84, 975255630), (90, 910238588), (105, 780204504), (120, 682678941), (126, 650170420), (140, 585153378), (168, 487627815), (180, 455119294), (210, 390102252), (252, 325085210), (280, 292576689), (315, 260068168), (360, 227559647), (420, 195051126), (504, 162542605), (630, 130034084), (840, 97525563), (1260, 65017042), (1373, 59666040), (2520, 32508521), (2746, 29833020), (4119, 19888680), (5492, 14916510), (6865, 11933208), (8238, 9944340), (9611, 8523720), (10984, 7458255), (12357, 6629560), (13730, 5966604), (16476, 4972170), (19222, 4261860), (20595, 3977736), (23677, 3459960), (24714, 3314780), (27460, 2983302), (28833, 2841240), (32952, 2486085), (38444, 2130930), (41190, 1988868), (47354, 1729980), (48055, 1704744), (49428, 1657390), (54920, 1491651), (57666, 1420620), (61785, 1325912), (71031, 1153320), (76888, 1065465), (82380, 994434), (86499, 947080), (94708, 864990), (96110, 852372), (98856, 828695), (115332, 710310), (118385, 691992), (123570, 662956), (142062, 576660), (144165, 568248), (164760, 497217), (165739, 494280), (172998, 473540), (189416, 432495), (192220, 426186), (213093, 384440), (230664, 355155), (236770, 345996), (247140, 331478), (284124, 288330)]