123156800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 168

約数和(自身を含む): 338644992

約数和(自身を除く): 215488192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 191, 200, 208, 248, 260, 310, 320, 325, 382, 400, 403, 416, 496, 520, 620, 650, 764, 775, 800, 806, 832, 955, 992, 1040, 1240, 1300, 1528, 1550, 1600, 1612, 1910, 1984, 2015, 2080, 2480, 2483, 2600, 3056, 3100, 3224, 3820, 4030, 4160, 4775, 4960, 4966, 5200, 5921, 6112, 6200, 6448, 7640, 8060, 9550, 9920, 9932, 10075, 10400, 11842, 12224, 12400, 12415, 12896, 15280, 16120, 19100, 19864, 20150, 20800, 23684, 24800, 24830, 25792, 29605, 30560, 32240, 38200, 39728, 40300, 47368, 49600, 49660, 59210, 61120, 62075, 64480, 76400, 76973, 79456, 80600, 94736, 99320, 118420, 124150, 128960, 148025, 152800, 153946, 158912, 161200, 189472, 198640, 236840, 248300, 296050, 305600, 307892, 322400, 378944, 384865, 397280, 473680, 496600, 592100, 615784, 644800, 769730, 794560, 947360, 993200, 1184200, 1231568, 1539460, 1894720, 1924325, 1986400, 2368400, 2463136, 3078920, 3848650, 3972800, 4736800, 4926272, 6157840, 7697300, 9473600, 12315680, 15394600, 24631360, 30789200, 61578400, 123156800]

約数ペア:

[(1, 123156800), (2, 61578400), (4, 30789200), (5, 24631360), (8, 15394600), (10, 12315680), (13, 9473600), (16, 7697300), (20, 6157840), (25, 4926272), (26, 4736800), (31, 3972800), (32, 3848650), (40, 3078920), (50, 2463136), (52, 2368400), (62, 1986400), (64, 1924325), (65, 1894720), (80, 1539460), (100, 1231568), (104, 1184200), (124, 993200), (130, 947360), (155, 794560), (160, 769730), (191, 644800), (200, 615784), (208, 592100), (248, 496600), (260, 473680), (310, 397280), (320, 384865), (325, 378944), (382, 322400), (400, 307892), (403, 305600), (416, 296050), (496, 248300), (520, 236840), (620, 198640), (650, 189472), (764, 161200), (775, 158912), (800, 153946), (806, 152800), (832, 148025), (955, 128960), (992, 124150), (1040, 118420), (1240, 99320), (1300, 94736), (1528, 80600), (1550, 79456), (1600, 76973), (1612, 76400), (1910, 64480), (1984, 62075), (2015, 61120), (2080, 59210), (2480, 49660), (2483, 49600), (2600, 47368), (3056, 40300), (3100, 39728), (3224, 38200), (3820, 32240), (4030, 30560), (4160, 29605), (4775, 25792), (4960, 24830), (4966, 24800), (5200, 23684), (5921, 20800), (6112, 20150), (6200, 19864), (6448, 19100), (7640, 16120), (8060, 15280), (9550, 12896), (9920, 12415), (9932, 12400), (10075, 12224), (10400, 11842)]