20129791860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1\times {\mathrm{947}}^1$

素因数の和:1670

約数の個数: 144

約数和(自身を含む): 61491830400

約数和(自身を除く): 41362038540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 439, 538, 807, 878, 947, 1076, 1317, 1345, 1614, 1756, 1894, 2195, 2421, 2634, 2690, 2841, 3228, 3788, 3951, 4035, 4390, 4735, 4842, 5268, 5380, 5682, 6585, 7902, 8070, 8523, 8780, 9470, 9684, 11364, 12105, 13170, 14205, 15804, 16140, 17046, 18940, 19755, 24210, 26340, 28410, 34092, 39510, 42615, 48420, 56820, 79020, 85230, 118091, 170460, 236182, 254743, 354273, 415733, 472364, 509486, 590455, 708546, 764229, 831466, 1018972, 1062819, 1180910, 1247199, 1273715, 1417092, 1528458, 1662932, 1771365, 2078665, 2125638, 2292687, 2361820, 2494398, 2547430, 3056916, 3542730, 3741597, 3821145, 4157330, 4251276, 4585374, 4988796, 5094860, 5314095, 6235995, 7085460, 7483194, 7642290, 8314660, 9170748, 10628190, 11463435, 12471990, 14966388, 15284580, 18707985, 21256380, 22926870, 24943980, 37415970, 45853740, 74831940, 111832177, 223664354, 335496531, 447328708, 559160885, 670993062, 1006489593, 1118321770, 1341986124, 1677482655, 2012979186, 2236643540, 3354965310, 4025958372, 5032447965, 6709930620, 10064895930, 20129791860]

約数ペア:

[(1, 20129791860), (2, 10064895930), (3, 6709930620), (4, 5032447965), (5, 4025958372), (6, 3354965310), (9, 2236643540), (10, 2012979186), (12, 1677482655), (15, 1341986124), (18, 1118321770), (20, 1006489593), (30, 670993062), (36, 559160885), (45, 447328708), (60, 335496531), (90, 223664354), (180, 111832177), (269, 74831940), (439, 45853740), (538, 37415970), (807, 24943980), (878, 22926870), (947, 21256380), (1076, 18707985), (1317, 15284580), (1345, 14966388), (1614, 12471990), (1756, 11463435), (1894, 10628190), (2195, 9170748), (2421, 8314660), (2634, 7642290), (2690, 7483194), (2841, 7085460), (3228, 6235995), (3788, 5314095), (3951, 5094860), (4035, 4988796), (4390, 4585374), (4735, 4251276), (4842, 4157330), (5268, 3821145), (5380, 3741597), (5682, 3542730), (6585, 3056916), (7902, 2547430), (8070, 2494398), (8523, 2361820), (8780, 2292687), (9470, 2125638), (9684, 2078665), (11364, 1771365), (12105, 1662932), (13170, 1528458), (14205, 1417092), (15804, 1273715), (16140, 1247199), (17046, 1180910), (18940, 1062819), (19755, 1018972), (24210, 831466), (26340, 764229), (28410, 708546), (34092, 590455), (39510, 509486), (42615, 472364), (48420, 415733), (56820, 354273), (79020, 254743), (85230, 236182), (118091, 170460)]