156615080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 387828000

約数和(自身を除く): 231212920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 41, 58, 74, 82, 89, 116, 145, 148, 164, 178, 185, 205, 232, 290, 296, 328, 356, 370, 410, 445, 580, 712, 740, 820, 890, 1073, 1160, 1189, 1480, 1517, 1640, 1780, 2146, 2378, 2581, 3034, 3293, 3560, 3649, 4292, 4756, 5162, 5365, 5945, 6068, 6586, 7298, 7585, 8584, 9512, 10324, 10730, 11890, 12136, 12905, 13172, 14596, 15170, 16465, 18245, 20648, 21460, 23780, 25810, 26344, 29192, 30340, 32930, 36490, 42920, 43993, 47560, 51620, 60680, 65860, 72980, 87986, 95497, 103240, 105821, 131720, 135013, 145960, 175972, 190994, 211642, 219965, 270026, 351944, 381988, 423284, 439930, 477485, 529105, 540052, 675065, 763976, 846568, 879860, 954970, 1058210, 1080104, 1350130, 1759720, 1909940, 2116420, 2700260, 3819880, 3915377, 4232840, 5400520, 7830754, 15661508, 19576885, 31323016, 39153770, 78307540, 156615080]

約数ペア:

[(1, 156615080), (2, 78307540), (4, 39153770), (5, 31323016), (8, 19576885), (10, 15661508), (20, 7830754), (29, 5400520), (37, 4232840), (40, 3915377), (41, 3819880), (58, 2700260), (74, 2116420), (82, 1909940), (89, 1759720), (116, 1350130), (145, 1080104), (148, 1058210), (164, 954970), (178, 879860), (185, 846568), (205, 763976), (232, 675065), (290, 540052), (296, 529105), (328, 477485), (356, 439930), (370, 423284), (410, 381988), (445, 351944), (580, 270026), (712, 219965), (740, 211642), (820, 190994), (890, 175972), (1073, 145960), (1160, 135013), (1189, 131720), (1480, 105821), (1517, 103240), (1640, 95497), (1780, 87986), (2146, 72980), (2378, 65860), (2581, 60680), (3034, 51620), (3293, 47560), (3560, 43993), (3649, 42920), (4292, 36490), (4756, 32930), (5162, 30340), (5365, 29192), (5945, 26344), (6068, 25810), (6586, 23780), (7298, 21460), (7585, 20648), (8584, 18245), (9512, 16465), (10324, 15170), (10730, 14596), (11890, 13172), (12136, 12905)]