805846240

素因数分解:

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

素因数の和:585

約数の個数: 192

約数和(自身を含む): 2194698240

約数和(自身を除く): 1388852000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 160, 170, 190, 248, 272, 304, 310, 323, 340, 380, 496, 503, 527, 544, 589, 608, 620, 646, 680, 760, 992, 1006, 1054, 1178, 1240, 1292, 1360, 1520, 1615, 2012, 2108, 2356, 2480, 2515, 2584, 2635, 2720, 2945, 3040, 3230, 4024, 4216, 4712, 4960, 5030, 5168, 5270, 5890, 6460, 8048, 8432, 8551, 9424, 9557, 10013, 10060, 10336, 10540, 11780, 12920, 15593, 16096, 16864, 17102, 18848, 19114, 20026, 20120, 21080, 23560, 25840, 31186, 34204, 38228, 40052, 40240, 42160, 42755, 47120, 47785, 50065, 51680, 62372, 68408, 76456, 77965, 80104, 80480, 84320, 85510, 94240, 95570, 100130, 124744, 136816, 152912, 155930, 160208, 162469, 171020, 191140, 200260, 249488, 265081, 273632, 296267, 305824, 311860, 320416, 324938, 342040, 382280, 400520, 498976, 530162, 592534, 623720, 649876, 684080, 764560, 801040, 812345, 1060324, 1185068, 1247440, 1299752, 1325405, 1368160, 1481335, 1529120, 1602080, 1624690, 2120648, 2370136, 2494880, 2599504, 2650810, 2962670, 3249380, 4241296, 4740272, 5036539, 5199008, 5301620, 5925340, 6498760, 8482592, 9480544, 10073078, 10603240, 11850680, 12997520, 20146156, 21206480, 23701360, 25182695, 25995040, 40292312, 42412960, 47402720, 50365390, 80584624, 100730780, 161169248, 201461560, 402923120, 805846240]

約数ペア:

[(1, 805846240), (2, 402923120), (4, 201461560), (5, 161169248), (8, 100730780), (10, 80584624), (16, 50365390), (17, 47402720), (19, 42412960), (20, 40292312), (31, 25995040), (32, 25182695), (34, 23701360), (38, 21206480), (40, 20146156), (62, 12997520), (68, 11850680), (76, 10603240), (80, 10073078), (85, 9480544), (95, 8482592), (124, 6498760), (136, 5925340), (152, 5301620), (155, 5199008), (160, 5036539), (170, 4740272), (190, 4241296), (248, 3249380), (272, 2962670), (304, 2650810), (310, 2599504), (323, 2494880), (340, 2370136), (380, 2120648), (496, 1624690), (503, 1602080), (527, 1529120), (544, 1481335), (589, 1368160), (608, 1325405), (620, 1299752), (646, 1247440), (680, 1185068), (760, 1060324), (992, 812345), (1006, 801040), (1054, 764560), (1178, 684080), (1240, 649876), (1292, 623720), (1360, 592534), (1520, 530162), (1615, 498976), (2012, 400520), (2108, 382280), (2356, 342040), (2480, 324938), (2515, 320416), (2584, 311860), (2635, 305824), (2720, 296267), (2945, 273632), (3040, 265081), (3230, 249488), (4024, 200260), (4216, 191140), (4712, 171020), (4960, 162469), (5030, 160208), (5168, 155930), (5270, 152912), (5890, 136816), (6460, 124744), (8048, 100130), (8432, 95570), (8551, 94240), (9424, 85510), (9557, 84320), (10013, 80480), (10060, 80104), (10336, 77965), (10540, 76456), (11780, 68408), (12920, 62372), (15593, 51680), (16096, 50065), (16864, 47785), (17102, 47120), (18848, 42755), (19114, 42160), (20026, 40240), (20120, 40052), (21080, 38228), (23560, 34204), (25840, 31186)]