66660075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 129991680

約数和(自身を除く): 63331605

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 503, 589, 775, 855, 1395, 1425, 1509, 1767, 2325, 2515, 2945, 4275, 4527, 5301, 6975, 7545, 8835, 9557, 12575, 14725, 15593, 22635, 26505, 28671, 37725, 44175, 46779, 47785, 77965, 86013, 113175, 132525, 140337, 143355, 233895, 238925, 296267, 389825, 430065, 701685, 716775, 888801, 1169475, 1481335, 2150325, 2666403, 3508425, 4444005, 7406675, 13332015, 22220025, 66660075]

約数ペア:

[(1, 66660075), (3, 22220025), (5, 13332015), (9, 7406675), (15, 4444005), (19, 3508425), (25, 2666403), (31, 2150325), (45, 1481335), (57, 1169475), (75, 888801), (93, 716775), (95, 701685), (155, 430065), (171, 389825), (225, 296267), (279, 238925), (285, 233895), (465, 143355), (475, 140337), (503, 132525), (589, 113175), (775, 86013), (855, 77965), (1395, 47785), (1425, 46779), (1509, 44175), (1767, 37725), (2325, 28671), (2515, 26505), (2945, 22635), (4275, 15593), (4527, 14725), (5301, 12575), (6975, 9557), (7545, 8835)]