1619608640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 224

約数和(自身を含む): 4519818240

約数和(自身を除く): 2900209600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 320, 380, 403, 416, 494, 496, 520, 589, 608, 620, 661, 760, 806, 832, 988, 992, 1040, 1178, 1216, 1235, 1240, 1322, 1520, 1612, 1976, 1984, 2015, 2080, 2356, 2470, 2480, 2644, 2945, 3040, 3224, 3305, 3952, 4030, 4160, 4712, 4940, 4960, 5288, 5890, 6080, 6448, 6610, 7657, 7904, 8060, 8593, 9424, 9880, 9920, 10576, 11780, 12559, 12896, 13220, 15314, 15808, 16120, 17186, 18848, 19760, 20491, 21152, 23560, 25118, 25792, 26440, 30628, 32240, 34372, 37696, 38285, 39520, 40982, 42304, 42965, 47120, 50236, 52880, 61256, 62795, 64480, 68744, 76570, 79040, 81964, 85930, 94240, 100472, 102455, 105760, 122512, 125590, 128960, 137488, 153140, 163267, 163928, 171860, 188480, 200944, 204910, 211520, 245024, 251180, 266383, 274976, 306280, 326534, 327856, 343720, 389329, 401888, 409820, 490048, 502360, 532766, 549952, 612560, 653068, 655712, 687440, 778658, 803776, 816335, 819640, 1004720, 1065532, 1225120, 1306136, 1311424, 1331915, 1374880, 1557316, 1632670, 1639280, 1946645, 2009440, 2131064, 2450240, 2612272, 2663830, 2749760, 3114632, 3265340, 3278560, 3893290, 4018880, 4262128, 5061277, 5224544, 5327660, 6229264, 6530680, 6557120, 7786580, 8524256, 10122554, 10449088, 10655320, 12458528, 13061360, 15573160, 17048512, 20245108, 21310640, 24917056, 25306385, 26122720, 31146320, 40490216, 42621280, 50612770, 52245440, 62292640, 80980432, 85242560, 101225540, 124585280, 161960864, 202451080, 323921728, 404902160, 809804320, 1619608640]

約数ペア:

[(1, 1619608640), (2, 809804320), (4, 404902160), (5, 323921728), (8, 202451080), (10, 161960864), (13, 124585280), (16, 101225540), (19, 85242560), (20, 80980432), (26, 62292640), (31, 52245440), (32, 50612770), (38, 42621280), (40, 40490216), (52, 31146320), (62, 26122720), (64, 25306385), (65, 24917056), (76, 21310640), (80, 20245108), (95, 17048512), (104, 15573160), (124, 13061360), (130, 12458528), (152, 10655320), (155, 10449088), (160, 10122554), (190, 8524256), (208, 7786580), (247, 6557120), (248, 6530680), (260, 6229264), (304, 5327660), (310, 5224544), (320, 5061277), (380, 4262128), (403, 4018880), (416, 3893290), (494, 3278560), (496, 3265340), (520, 3114632), (589, 2749760), (608, 2663830), (620, 2612272), (661, 2450240), (760, 2131064), (806, 2009440), (832, 1946645), (988, 1639280), (992, 1632670), (1040, 1557316), (1178, 1374880), (1216, 1331915), (1235, 1311424), (1240, 1306136), (1322, 1225120), (1520, 1065532), (1612, 1004720), (1976, 819640), (1984, 816335), (2015, 803776), (2080, 778658), (2356, 687440), (2470, 655712), (2480, 653068), (2644, 612560), (2945, 549952), (3040, 532766), (3224, 502360), (3305, 490048), (3952, 409820), (4030, 401888), (4160, 389329), (4712, 343720), (4940, 327856), (4960, 326534), (5288, 306280), (5890, 274976), (6080, 266383), (6448, 251180), (6610, 245024), (7657, 211520), (7904, 204910), (8060, 200944), (8593, 188480), (9424, 171860), (9880, 163928), (9920, 163267), (10576, 153140), (11780, 137488), (12559, 128960), (12896, 125590), (13220, 122512), (15314, 105760), (15808, 102455), (16120, 100472), (17186, 94240), (18848, 85930), (19760, 81964), (20491, 79040), (21152, 76570), (23560, 68744), (25118, 64480), (25792, 62795), (26440, 61256), (30628, 52880), (32240, 50236), (34372, 47120), (37696, 42965), (38285, 42304), (39520, 40982)]