71811450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 209495520

約数和(自身を除く): 137684070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 37, 38, 45, 50, 57, 74, 75, 90, 95, 111, 114, 150, 171, 185, 190, 222, 225, 227, 285, 333, 342, 370, 450, 454, 475, 555, 570, 666, 681, 703, 855, 925, 950, 1110, 1135, 1362, 1406, 1425, 1665, 1710, 1850, 2043, 2109, 2270, 2775, 2850, 3330, 3405, 3515, 4086, 4218, 4275, 4313, 5550, 5675, 6327, 6810, 7030, 8325, 8399, 8550, 8626, 10215, 10545, 11350, 12654, 12939, 16650, 16798, 17025, 17575, 20430, 21090, 21565, 25197, 25878, 31635, 34050, 35150, 38817, 41995, 43130, 50394, 51075, 52725, 63270, 64695, 75591, 77634, 83990, 102150, 105450, 107825, 125985, 129390, 151182, 158175, 159581, 194085, 209975, 215650, 251970, 316350, 319162, 323475, 377955, 388170, 419950, 478743, 629925, 646950, 755910, 797905, 957486, 970425, 1259850, 1436229, 1595810, 1889775, 1940850, 2393715, 2872458, 3779550, 3989525, 4787430, 7181145, 7979050, 11968575, 14362290, 23937150, 35905725, 71811450]

約数ペア:

[(1, 71811450), (2, 35905725), (3, 23937150), (5, 14362290), (6, 11968575), (9, 7979050), (10, 7181145), (15, 4787430), (18, 3989525), (19, 3779550), (25, 2872458), (30, 2393715), (37, 1940850), (38, 1889775), (45, 1595810), (50, 1436229), (57, 1259850), (74, 970425), (75, 957486), (90, 797905), (95, 755910), (111, 646950), (114, 629925), (150, 478743), (171, 419950), (185, 388170), (190, 377955), (222, 323475), (225, 319162), (227, 316350), (285, 251970), (333, 215650), (342, 209975), (370, 194085), (450, 159581), (454, 158175), (475, 151182), (555, 129390), (570, 125985), (666, 107825), (681, 105450), (703, 102150), (855, 83990), (925, 77634), (950, 75591), (1110, 64695), (1135, 63270), (1362, 52725), (1406, 51075), (1425, 50394), (1665, 43130), (1710, 41995), (1850, 38817), (2043, 35150), (2109, 34050), (2270, 31635), (2775, 25878), (2850, 25197), (3330, 21565), (3405, 21090), (3515, 20430), (4086, 17575), (4218, 17025), (4275, 16798), (4313, 16650), (5550, 12939), (5675, 12654), (6327, 11350), (6810, 10545), (7030, 10215), (8325, 8626), (8399, 8550)]