201461560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 321085640

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 124, 136, 152, 155, 170, 190, 248, 310, 323, 340, 380, 503, 527, 589, 620, 646, 680, 760, 1006, 1054, 1178, 1240, 1292, 1615, 2012, 2108, 2356, 2515, 2584, 2635, 2945, 3230, 4024, 4216, 4712, 5030, 5270, 5890, 6460, 8551, 9557, 10013, 10060, 10540, 11780, 12920, 15593, 17102, 19114, 20026, 20120, 21080, 23560, 31186, 34204, 38228, 40052, 42755, 47785, 50065, 62372, 68408, 76456, 77965, 80104, 85510, 95570, 100130, 124744, 155930, 162469, 171020, 191140, 200260, 265081, 296267, 311860, 324938, 342040, 382280, 400520, 530162, 592534, 623720, 649876, 812345, 1060324, 1185068, 1299752, 1325405, 1481335, 1624690, 2120648, 2370136, 2650810, 2962670, 3249380, 5036539, 5301620, 5925340, 6498760, 10073078, 10603240, 11850680, 20146156, 25182695, 40292312, 50365390, 100730780, 201461560]

約数ペア:

[(1, 201461560), (2, 100730780), (4, 50365390), (5, 40292312), (8, 25182695), (10, 20146156), (17, 11850680), (19, 10603240), (20, 10073078), (31, 6498760), (34, 5925340), (38, 5301620), (40, 5036539), (62, 3249380), (68, 2962670), (76, 2650810), (85, 2370136), (95, 2120648), (124, 1624690), (136, 1481335), (152, 1325405), (155, 1299752), (170, 1185068), (190, 1060324), (248, 812345), (310, 649876), (323, 623720), (340, 592534), (380, 530162), (503, 400520), (527, 382280), (589, 342040), (620, 324938), (646, 311860), (680, 296267), (760, 265081), (1006, 200260), (1054, 191140), (1178, 171020), (1240, 162469), (1292, 155930), (1615, 124744), (2012, 100130), (2108, 95570), (2356, 85510), (2515, 80104), (2584, 77965), (2635, 76456), (2945, 68408), (3230, 62372), (4024, 50065), (4216, 47785), (4712, 42755), (5030, 40052), (5270, 38228), (5890, 34204), (6460, 31186), (8551, 23560), (9557, 21080), (10013, 20120), (10060, 20026), (10540, 19114), (11780, 17102), (12920, 15593)]